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+clc
+n_turbine=0.85;
+n_compressor=0.80;
+T3=1148; //K
+T1=300; //K
+cp=1; //kJ/kg K
+y=1.4;
+p1=1; //bar
+p2=4; //bar
+C=42000; //kJ/kg K
+n_cc=0.90;
+
+T2=T1*(p2/p1)^((y-1)/y);
+
+T2a=(T2-T1)/n_compressor + T1;
+
+ratio=0.9*C/cp/(T3-T2a) - 1; //ratio=ma/mf
+disp("A/F ratio =")
+disp(ratio) \ No newline at end of file